<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
  <script src="./vue.js"></script>
</head>

<body>
  <div id="app">
    <label for="man">
      <input type="radio" id="man" name="sex" value="男" v-model="sex">男
    </label>
    <label for="woman">
      <input type="radio" id="woman" name="sex" name="sex" value="女" v-model="sex">女
    </label>
    <h2>你选择的是{{sex}}</h2>
  </div>

  <script>
    var vm = new Vue({
      el: '#app',
      data: {
        name: 'Taec',
        sex: '男'
      }
    })
  </script>
</body>

</html>